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re PR target/26445 (SSE byte-by-byte load instruction fails to compile)

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PR target/26445
        * g++.dg/other/i386-4.C: New test.

From-SVN: r134522
This commit is contained in:
Uros Bizjak 2008-04-21 20:41:04 +02:00
parent d05739f8c4
commit f7546fa716
2 changed files with 35 additions and 1 deletions
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7
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2008-04-21 Uros Bizjak <ubizjak@gmail.com>
PR target/26445
* g++.dg/other/i386-4.C: New test.
2008-04-21 Jason Merrill <jason@redhat.com>
PR c++/35325
@ -18,7 +23,7 @@
2008-04-20 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/35991
gfortran.dg/zero-sized_4.f90: New test.
* gfortran.dg/zero-sized_4.f90: New test.
2008-04-20 Jerry DeLisle <jvdelisle@gcc.gnu.org>

29
gcc/testsuite/g++.dg/other/i386-4.C Normal file
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/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
/* { dg-options "-O1 -msse2" } */
#include <xmmintrin.h>
void ConvertFloatSSE (void *inBuff, void *outBuff, int len)
{
unsigned char *inByteBuffer = reinterpret_cast < unsigned char *>(inBuff);
float *outFloatBuffer = reinterpret_cast < float *>(outBuff);
for (int i = 0; i < len / 4; i++)
{
__m128i register1 =
_mm_set_epi8 (*inByteBuffer, *(inByteBuffer + 1),
*(inByteBuffer + 2), 0,
*(inByteBuffer + 3), *(inByteBuffer + 4),
*(inByteBuffer + 5), 0,
*(inByteBuffer + 6), *(inByteBuffer + 7),
*(inByteBuffer + 8), 0,
*(inByteBuffer + 9), *(inByteBuffer + 10),
*(inByteBuffer + 11), 0);
__m128i register2 = _mm_srai_epi32 (register1, 8);
__m128 register3 = _mm_cvtepi32_ps (register2);
_mm_store_ps (outFloatBuffer, register3);
outFloatBuffer += 4;
inByteBuffer += 12;
}
}